A01F 12/00
Parts or details of threshing apparatus
Official title: Parts or details of threshing apparatus (devices, other than safety devices for feeders, for protecting human beings A01D75/20, A01F21/00)
A01F12/00 (Parts or details of threshing apparatus) appears on 1,465 US grants and 1,231 published applications in this corpus.
Search patents in A01F- Granted patents
- 1,465
- Published applications
- 1,231
- Assignees
- 242
- Inventors
- 1,686
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 16 | 0 |
| 1980 | 14 | 0 |
| 1981 | 27 | 0 |
| 1982 | 23 | 0 |
| 1983 | 15 | 0 |
| 1984 | 27 | 0 |
| 1985 | 26 | 0 |
| 1986 | 16 | 0 |
| 1987 | 18 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 17 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 24 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 20 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 8 |
| 2002 | 28 | 30 |
| 2003 | 23 | 16 |
| 2004 | 21 | 26 |
| 2005 | 23 | 25 |
| 2006 | 22 | 27 |
| 2007 | 19 | 25 |
| 2008 | 20 | 27 |
| 2009 | 18 | 28 |
| 2010 | 21 | 24 |
| 2011 | 24 | 17 |
| 2012 | 28 | 17 |
| 2013 | 12 | 21 |
| 2014 | 20 | 50 |
| 2015 | 38 | 49 |
| 2016 | 44 | 77 |
| 2017 | 66 | 93 |
| 2018 | 83 | 84 |
| 2019 | 99 | 118 |
| 2020 | 84 | 92 |
| 2021 | 69 | 68 |
| 2022 | 53 | 68 |
| 2023 | 41 | 65 |
| 2024 | 53 | 88 |
| 2025 | 67 | 57 |
| 2026 | 67 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01F 12/44Grain cleaners537
- A01F 12/18Threshing devices391
- A01F 12/40Arrangements of straw crushers or cutters254
- A01F 12/46Mechanical grain conveyors221
- A01F 12/10Feeders162
- A01F 12/30Straw separators , i.e. straw walkers, for separating residual grain from the90
- A01F 12/56Driving mechanisms for the threshing parts68
- A01F 12/48Air conduits or blowers for grain57
Recent patents
- Weed seed destruction with rotor and stator where the discharge is axially spaced from the inlet6 Oct 2026US 12,751,359 B2Tritana Intellectual Property Ltd.
- Predictive biomass map generation and control6 Oct 2026US 12,751,362 B2Deere & Company
- Variable speed drive for chaff mill of combine harvester6 Oct 2026US 12,751,372 B2CNH Industrial America LLC
- Feed roll drive for agricultural harvester thresher6 Oct 2026US 12,751,373 B2CNH Industrial Belgium N. V.
- Dual grain camera for a clean grain transporter of a combine harvester cleaning system29 Sep 2026US 12,745,705 B2CNH Industrial Belgium N. V.
- Overblown grain loss detection1 Oct 2026US 2026/0293805 A1Deere & Company
- Grain Cleaning Apparatus for a Combine Harvester10 Sep 2026US 2026/0262574 A1
- Controlling the operation of a cross-auger20 Aug 2026US 2026/0240078 A1
- Concave Cover Plates for Improving Operational Performance in a Combine Harvester13 Aug 2026US 2026/0231863 A1
- Grain fill sensor and related devices, systems, and methods13 Aug 2026US 2026/0231864 A1Ag Leader Technology
Most cited
By later US patents
- Flow metering device113US 4,765,190 AFord New Holland, Inc. · 1988
- Weed and volunteer crop seed destruction108US 8,152,610 B2Grains Research and Development Corporation · 2012
- Weed seed destruction102US 10,004,176 B22018
- Weed seed devitalization arrangement102US 9,723,790 B2Grains Research and Development Corporation · 2017
- Chaff and straw spreading attachment for combines91US 4,637,406 AHesston Corporation · 1987